Fieldbus Control Word - Control Techniques Profibus-DP User Manual

10.3

Fieldbus Control Word

b15 b14
M6
b7
#18.31 #1.46
Bit Function Description
0 ENABLE Set to 1 to put the Unidrive in READY mode. (The
1 RUN
FWD
2 JOG
3 RUN
REV
4 TRIP
5 #1.45
6 #1.46
7 #18.31
8 #18.32
9 M0
10 M1
11 M2
12 M3
13 #18.33
14 M5
15 M6
Issue Number: 3
b13 B12 b11
M5 #18.33 M3 M2
b6 b5 b4 b3
#1.45 TRIP RUN
REV
hardware ENABLE must also be present.) The RUN
FWD, JOG and RUN REV bits will have no effect
unless the ENABLE bit is set to 1. The Unidrive
outputs are disabled immediately when the ENABLE
bit is reset to 0, and the motor will coast to stop
Set to 1 to run the motor in the forwards direction.
Reset to 0 to decelerate the motor to a controlled
stop before the Unidrive output stage is disabled
Set to 1 with RUN FWD or RUN REV bit also set to
jog the motor in the appropriate direction. The
Unidrive will ramp the motor to the normal speed or
stop when the JOG bit is reset to 0, depending on
the status of the RUN FWD and RUN REV bits.
Set to 1 to run the motor in the reverse direction.
When reset to 0, the Unidrive will decelerate the
motor to stop before the outputs are disabled
Set to 1 to trip the Unidrive on "tr52". The TRIP bit
must be reset to 0 before the Unidrive can be reset.
Preset Reference Select. These bits are used to
select the digital speed references used. Refer to
the Unidrive User Guide for more information.
User application bit
User application bit
ENABLE mask bit
RUN FWD mask bit
JOG mask bit
RUN REV mask bit
User application bit
Mask bits for the Preset Reference Select bits
b10 b9 b8
M1 M0 #18.32
b2 b1 b0
JOG RUN ENABLE
FWD
45